Because of the similar titles, this film is frequently confused with:
Directed by Elio Quiroga, this low-budget European film is a blend of . It is often praised for its claustrophobic atmosphere and original take on post-apocalyptic tropes.
: The story is uniquely told through the eyes of an eight-year-old boy named Jesús, who has never seen the surface.
: Reviewers on IMDb and Letterboxd describe it as a "pessimistic view of the fate of mankind" with a "twisted finale". While some found the ending ambiguous or the pacing slow, it is frequently cited as a standout unusual Spanish thriller. Common Confusions
: Eight survivors live in a decaying underground facility following a nuclear war. They are besieged by two distinct threats: "The Strangers" (mutant-like beings) and "The Invisibles" (deadly, ghost-like entities that appear during a daily period of extreme cold known as the Cold Hour ).